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        <h2>
          <span class="refentrytitle">initc21</span>
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        <p>initc21 — 
      Initializes the controllers used to create a 21-bit MIDI value.
    </p>
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        <a id="idp116181280"></a>
        <h2>Description</h2>
        <p>
      Initializes the controllers used to create a 21-bit MIDI value.
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        <a id="idp116182560"></a>
        <h2>Syntax</h2>
        <pre class="synopsis"><span class="command"><strong>initc21</strong></span> ichan, ictlno1, ictlno2, ictlno3, ivalue</pre>
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        <a id="idp116256800"></a>
        <h2>Initialization</h2>
        <p>
      <span class="emphasis"><em>ichan</em></span> -- MIDI channel (1-16)
    </p>
        <p>
      <span class="emphasis"><em>ictlno1</em></span> -- most significant byte controller number (0-127)
    </p>
        <p>
      <span class="emphasis"><em>ictlno2</em></span> -- medium significant byte controller number (0-127)
    </p>
        <p>
      <span class="emphasis"><em>ictlno3</em></span> -- least significant byte controller number (0-127)
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        <p>
      <span class="emphasis"><em>ivalue</em></span> -- floating point value (must be within 0 to 1)
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        <a id="idp116261872"></a>
        <h2>Performance</h2>
        <p>
     <span class="emphasis"><em>initc21</em></span> can be used together with both <a class="link" href="midic21.html" title="midic21"><em class="citetitle">midic21</em></a> and <a class="link" href="ctrl21.html" title="ctrl21"><em class="citetitle">ctrl21</em></a> opcodes for initializing the first controller's value. <span class="emphasis"><em>ivalue</em></span> argument must be set with a number within 0 to 1. An error occurs if it is not. Use the following formula to set <span class="emphasis"><em>ivalue</em></span> according with <span class="emphasis"><em>midic21</em></span> and <span class="emphasis"><em>ctrl21</em></span> min and max range:

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ivalue = (initial_value - min) / (max - min)<br />
       </p>
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        <h2>See Also</h2>
        <p>
      <a class="link" href="ctrl7.html" title="ctrl7"><em class="citetitle">ctrl7</em></a>,
      <a class="link" href="ctrl14.html" title="ctrl14"><em class="citetitle">ctrl14</em></a>,
      <a class="link" href="ctrl21.html" title="ctrl21"><em class="citetitle">ctrl21</em></a>,
      <a class="link" href="ctrlinit.html" title="ctrlinit"><em class="citetitle">ctrlinit</em></a>,
      <a class="link" href="initc7.html" title="initc7"><em class="citetitle">initc7</em></a>,
      <a class="link" href="initc14.html" title="initc14"><em class="citetitle">initc14</em></a>,
      <a class="link" href="midic7.html" title="midic7"><em class="citetitle">midic7</em></a>,
      <a class="link" href="midic14.html" title="midic14"><em class="citetitle">midic14</em></a>,
      <a class="link" href="midic21.html" title="midic21"><em class="citetitle">midic21</em></a>
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        <h2>Credits</h2>
        <p>
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            <td>Author: Gabriel Maldonado</td>
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            <td>Italy</td>
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    </p>
        <p>New in Csound version 3.47</p>
        <p>Thanks goes to Rasmus Ekman for pointing out the correct MIDI channel and controller number ranges.</p>
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